Abstract
This study focuses on a novel interpretation of path interval determination in multi-axis filleted end milling. Path interval is known as a machining condition able to consider a suitable balance between manufacturing efficiency and machined surface quality. However, the practical formula has not necessarily been provided in multi-axis filleted end milling. As a novel interpretation, this study firstly gave a geometrical expression of filleted end mill through discussing torus's outer peripheral geometry projected on a plane. Then, several path interval formulas were proposed using the expression; moreover, it was verified that the formulas potentially had practical advantages to improving manufacturing efficiency.
